I'm using a simple IR receiver connected to the Arduino through A0 analog pin. The problem is that I want to stabilize the output of IR receiver when it's not receiving an IR signal from a specific IR source, or at least minimizing the disruption to a specific range that I can handle, no matter where its position, But in my case moving the IR receiver a few inches in any direction will results in different voltage output. the difference between values on disruption is very random to handle.
What can I do to isolate IR receiver, may be a specific material or a specific color?